[9.0] Assert: values differ in WebSocketServer_NoUserReadOrWrite_SendsPingAndReadsPongResponse

[carlossanlop]

Build Information

Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=817017
Build error leg or test failing: System.Net.WebSockets.Tests.WebSocketKeepAliveTests.WebSocketServer_NoUserReadOrWrite_SendsPingAndReadsPongResponse

Error Message

{
  "ErrorMessage" : [
    "[FAIL] System.Net.WebSockets.Tests.WebSocketKeepAliveTests.WebSocketServer_NoUserReadOrWrite_SendsPingAndReadsPongResponse",
    "Values differ", "Aborted", "Open" ],
  "BuildRetry" : false,
  "ExcludeConsoleLog" : false
}

• PR: [release/9.0] Update dependencies from dotnet/roslyn #108061
• Queue: browser-wasm linux Release LibraryTests_Threading
• Job result: https://dev.azure.com/dnceng-public/public/_build/results?buildId=817017&view=logs&j=63c2d0c8-fec2-5788-81c8-f3ac95e8841f&t=744baa8c-2e26-50b3-27ca-51a0d84eca60&l=82
• Log file: https://helixre107v0xd1eu3ibi6ka.blob.core.windows.net/dotnet-runtime-refs-pull-108061-merge-6dbbe0df41d64e04b4/WasmTestOnChrome-MT-System.Net.WebSockets.Tests/1/console.1c76d8fd.log?helixlogtype=result
• Output:

[15:43:49] info: [FAIL] System.Net.WebSockets.Tests.WebSocketKeepAliveTests.WebSocketServer_NoUserReadOrWrite_SendsPingAndReadsPongResponse
[15:43:49] info: Assert.Equal() Failure: Values differ
[15:43:49] info: Expected: Aborted
[15:43:49] info: Actual:   Open
[15:43:49] info:    at System.Net.WebSockets.Tests.WebSocketKeepAliveTests.WebSocketServer_NoUserReadOrWrite_SendsPingAndReadsPongResponse()
[15:43:49] info: --- End of stack trace from previous location ---

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=817017
Error message validated: [[FAIL] System.Net.WebSockets.Tests.WebSocketKeepAliveTests.WebSocketServer_NoUserReadOrWrite_SendsPingAndReadsPongResponse Values differ Aborted Open]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 9/26/2024 7:12:42 PM UTC

Report

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	0	0

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[CarnaViire]

Seems like a one-off so far (potentially due to a race in the test).
Also note that on browser, web sockets are expected to use the browser implementation (within ClientWebSocket) instead of the managed one here.